Finding the Third Proportional to 33,645.38 and 72,120.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,645.38 : 72,120.38 = 72,120.38 : x
2. Step 2: Convert to fraction form
   33,645.38/72,120.38 = 72,120.38/x
3. Step 3: Cross multiply
   33,645.38x = 72,120.38 × 72,120.38
4. Step 4: Simplify right side
   33,645.38x = 5,201,348,490.14
5. Step 5: Solve for x
   x = 5,201,348,490.14/33,645.38
6. Step 6: Final answer
   x = 154,593.27